full-disclosure - [ GLSA 200711-17 ] Ruby on Rails: Multiple vulnerabilities

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Date: Wed, 14 Nov 2007 22:14:44 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200711-17 ] Ruby on Rails: Multiple
	vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200711-17
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Ruby on Rails: Multiple vulnerabilities
      Date: November 14, 2007
      Bugs: #195315, #182223
        ID: 200711-17

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Synopsis
========

Several vulnerabilities were found in Ruby on Rails allowing for file
disclosure and theft of user credentials.

Background
==========

Ruby on Rails is a free web framework used to develop database-driven
web applications.

Affected packages
=================

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  dev-ruby/rails       < 1.2.5                             >= 1.2.5

Description
===========

candlerb found that ActiveResource, when processing responses using the
Hash.from_xml() function, does not properly sanitize filenames
(CVE-2007-5380). The session management functionality allowed the
"session_id" to be set in the URL (CVE-2007-5380). BCC discovered that
the to_json() function does not properly sanitize input before
returning it to the user (CVE-2007-3227).

Impact
======

Unauthenticated remote attackers could exploit these vulnerabilities to
determine the existence of files or to read the contents of arbitrary
XML files; conduct session fixation attacks and gain unauthorized
access; and to execute arbitrary HTML and script code in a user's
browser session in context of an affected site by enticing a user to
browse a specially crafted URL.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ruby on Rails users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-ruby/rails-1.2.5"

References
==========

  [ 1 ] CVE-2007-3227
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3227
  [ 2 ] CVE-2007-5379
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5379
  [ 3 ] CVE-2007-5380
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5380

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200711-17.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
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